diff options
Diffstat (limited to 'activerecord/lib/active_record')
| -rw-r--r-- | activerecord/lib/active_record/autosave_association.rb | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb index e9622ca0c1..f149d8f127 100644 --- a/activerecord/lib/active_record/autosave_association.rb +++ b/activerecord/lib/active_record/autosave_association.rb @@ -35,7 +35,7 @@ module ActiveRecord # # === One-to-one Example # - # class Post + # class Post < ActiveRecord::Base # has_one :author, autosave: true # end # @@ -76,7 +76,7 @@ module ActiveRecord # # When <tt>:autosave</tt> is not declared new children are saved when their parent is saved: # - # class Post + # class Post < ActiveRecord::Base # has_many :comments # :autosave option is not declared # end # @@ -95,20 +95,23 @@ module ActiveRecord # When <tt>:autosave</tt> is true all children are saved, no matter whether they # are new records or not: # - # class Post + # class Post < ActiveRecord::Base # has_many :comments, autosave: true # end # # post = Post.create(title: 'ruby rocks') # post.comments.create(body: 'hello world') # post.comments[0].body = 'hi everyone' - # post.save # => saves both post and comment, with 'hi everyone' as body + # post.comments.build(body: "good morning.") + # post.title += "!" + # post.save # => saves both post and comments. # # Destroying one of the associated models as part of the parent's save action # is as simple as marking it for destruction: # - # post.comments.last.mark_for_destruction - # post.comments.last.marked_for_destruction? # => true + # post.comments # => [#<Comment id: 1, ...>, #<Comment id: 2, ...]> + # post.comments[1].mark_for_destruction + # post.comments[1].marked_for_destruction? # => true # post.comments.length # => 2 # # Note that the model is _not_ yet removed from the database: |